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Mr. Perry Wu International Sales Director
FAST 12JSD200T-B+QH70 Gearbox Parts - Input/Reverse Idler Shaft & Top Cover Assembly Components
|
Model |
12JSD200T-B+QH70 |
|
Brand |
Fast |
|
Number of Gears |
12 forward gears + 2 reverse gears |
|
Shifting Mode |
Manual Shifting |
|
Maximum Input Torque |
2000Nm |
|
Adapted Vehicles |
Heavy-duty scenarios such as heavy-duty trucks, mining transportation, and construction machinery |
Product Description
These parts are engineered exclusively for the FAST 12JSD200T-B+QH70 12-speed manual gearbox, tailored to heavy-duty scenarios like long-haul transportation, mining, and construction.
Crafted from premium materials—high-strength alloy steel for shafts/gears, wear-resistant rubber for seals, and durable plastics for shift components—all parts undergo professional precision processing. Key processes include forging, heat treatment, CNC machining, and assembly calibration, meeting the gearbox’s 2000Nm maximum input torque requirement. Strict dimensional accuracy and performance inspections ensure full compatibility with original equipment.
Input Shaft Assembly Parts
Input shaft, gear, bearings, and retaining rings—core components for stable power input from the engine.
Reverse Idler Shaft Assembly Parts
Reverse idler shaft, gear, needle bearing, and set screw—ensuring smooth reverse gear operation.
Top Cover Assembly Parts
Shift forks, fork shafts, guide blocks, and compression springs—supporting accurate and responsive gear selection.
Direct-fit design allows hassle-free installation without modification, fully interchangeable with original parts. Ideal for routine maintenance, emergency repairs, and fleet bulk procurement.
Detail Parts List
1、 Input Shaft Assembly
|
No. |
Parts No. |
Part Name |
Qty. |
|
1 |
16980 |
Flattened Wire Circlip for Shaft |
1 |
|
2 |
C01020 |
Stop Ring |
1 |
|
3 |
150212K |
Single-Row Radial Ball Bearing with Snap Groove andDust Cover on One Side |
1 |
|
4 |
16463 |
Gear Spacer |
1 |
|
5 |
14750 |
Stop Ring |
1 |
|
6 |
12JSD200T-1701116B |
Input Shaft Gear |
1 |
|
7 |
12JS160T-1701030-7 |
Input Shaft |
1 |
|
8 |
K304523 |
Cage Assembly Bearing |
1 |
|
9 |
Q43045 |
Elastic Retaining Ring for Hole |
1 |
2、Reverse Idler Shaft Assembly
|
No. |
Parts No. |
Part Name |
Qty. |
|
1 |
12JS160T-1701084 |
Cup-Shaped Reverse Washer |
1 each |
|
2 |
12JS200T-1701083 |
Reverse ldler Gear |
1 each |
|
3 |
DS100-1701085 |
Needle Bearing |
1 each |
|
4 |
JS220-1701082 |
Reverse Idler Shaft |
1 each |
|
5 |
Q2821212 |
Slotted Flat-End Set Screw |
1 each |
3、Top Cover Assembly
|
No. |
Parts No. |
Part Name |
Qty. |
|
|
12JSDX240T-1702010-36 |
Top Cover Assembly |
|
|
1 |
3220 |
Shift Fork Lock Screw |
4 |
|
2 |
12JS160T-1702051 |
Reverse Guide Block |
1 |
|
3 |
12JSDX240T-1702063 |
Reverse Shift Fork Shaft |
1 |
|
4 |
12JS160T-1702055 |
Reverse Shift Fork |
1 |
|
5 |
Q5280628 |
Elastic Cylinder Pin |
2 |
|
6 |
12JSDX240T-1702056 |
1st/2nd Gear Shift Fork |
1 |
|
7 |
12JSDX240T-1702064 |
1st/2nd/3rd/4th Gear Shift Fork Shaft |
1 |
|
8 |
12JSDX240T-1702057 |
3rd/4th Gear Shift Fork |
1 |
|
9 |
12JS160T-1702054 |
5th/6th Gear Guide Block |
1 |
|
10 |
12JSDX240T-1702066 |
5th/6th Gear Shift Fork Shaft |
1 |
|
11 |
19_05G100BGB-T308 |
Steel Ball |
3 |
|
12 |
1634 |
Shift Fork Shaft Interlock Pin |
2 |
|
13 |
12JS160T-1702012-Y |
Top Cover with Thread Insert Assembly |
1 |
|
14 |
12_7G100BGB-T308 |
Steel Ball |
4 |
|
15 |
F96084-3 |
Compression Spring |
1 |
|
16 |
F96084-3 |
Compression Spring |
3 |
|
17 |
11066 |
Stud Bolt (3-8") |
4 |
|
18 |
Q40310 |
Spring Washer |
2 |
|
19 |
Q361B10 |
Type 2 Hexagon Nut - Fine Thread |
2 |
|
20 |
X-1-603 |
Hexagon Nut |
2 |
|
21 |
Q351B10 |
Thin Hexagon Nut - Fine Thread |
2 |
|
22 |
Q72216 |
Bowl-Shaped Plug |
1 |
|
23 |
No |
|
|
|
24 |
No |
|
|
|
25 |
No |
|
|
|
26 |
12JSDX240T-1702058 |
5th/6th Gear Shift Fork |
1 |
Product Advantages
12JSD200T-B+QH70 Exact Fit
100% matched to original dimensions, no fitment issues for heavy-duty repairs.
Heavy-Duty Durability
Withstands high torque and harsh working conditions, long service life.
Smooth Shifting Performance
Precision-machined top cover parts ensure accurate gear positioning.
Reliable Power Transmission
High-strength input shaft and reverse idler gear deliver stable torque.
Easy Maintenance
Modular design enables quick part replacement without disassembling the entire gearbox.
Payment & Shipping Terms
● MOQ: 1 piece
● Packaging: Customizable wooden crate/carton
● Delivery: 3-20 working days (express: DHL/FedEx; sea freight for bulk)
● Payment: L/C, T/T, Western Union; tracking number provided in 24hrs
● After-Sales Service：24-hour technical support, global service network